Tanquecitos South Acres is a census-designated place (CDP) in Webb County, Texas, United States. As of the 2020 census, Tanquecitos South Acres had a population of 229. This was a new CDP formed from parts of the Laredo Ranchettes CDP prior to the 2010 census.
It is one of several colonias in the county.
Tanquecitos South Acres is located at (27.489718, -99.379700). The CDP has a total area of , all land.
Tanquecitos South Acres first appeared as a census designated place in the 2010 U.S. census, one of nine CDPS (La Coma, Laredo Ranchettes West, Los Altos, Ranchitos East, San Carlos I, San Carlos II, Tanquecitos South Acres, Tanquecitos South Acres II, and Pueblo Nuevo) carved out from parts of Laredo Ranchettes CDP.
Residents are in the United Independent School District. Zoned schools include: Freedom Elementary School, Raul Perales Middle School, and United South High School.
The designated community college for Webb County is Laredo Community College.